BlackRock Institutional Trust’s United Therapeutics UTHR Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$204M	Buy	1,420,538 +25,228	+2%	+$3.22M	0.03%	573
2016 Q3	$165M	Sell	1,395,310 -111,711	-7%	-$13.4M	0.03%	631
2016 Q2	$160M	Sell	1,507,021 -36,155	-2%	-$4.03M	0.03%	635
2016 Q1	$172M	Sell	1,543,176 -117,842	-7%	-$14.9M	0.03%	616
2015 Q4	$260M	Buy	1,661,018 +130,499	+9%	+$19M	0.04%	435
2015 Q3	$201M	Buy	1,530,519 +21,467	+1%	+$3.44M	0.04%	521
2015 Q2	$263M	Buy	1,509,052 +20,510	+1%	+$3.69M	0.04%	435
2015 Q1	$257M	Buy	1,488,542 +32,185	+2%	+$4.91M	0.04%	465
2014 Q4	$189M	Sell	1,456,357 -3,346	-0.2%	-$431K	0.03%	569
2014 Q3	$188M	Sell	1,459,703 -249,974	-15%	-$25.8M	0.03%	540
2014 Q2	$151M	Sell	1,709,677 -91,618	-5%	-$8.81M	0.03%	670
2014 Q1	$169M	Buy	1,801,295 +29,397	+2%	+$3.01M	0.03%	600
2013 Q4	$200M	Buy	1,771,898 +138,069	+8%	+$12.5M	0.04%	498
2013 Q3	$129M	Buy	1,633,829 +174,669	+12%	+$12.8M	0.02%	652
2013 Q2	$96M	Buy	+1,459,160	New	+$94M	0.02%	773